package com.heima.kafka.simple;

import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerConfig;
import org.apache.kafka.clients.producer.ProducerRecord;

import java.util.Properties;

/**
 * 模拟kafka中的生产者
 * @author 10161
 */
public class ProducerQuickStart {
    public static void main(String[] args) {
            //1.kafka的配置信息
            Properties properties = new Properties();
            //kafka的连接地址
            properties.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG,"192.168.200.130:9092");
            //发送失败，失败的重试次数
            properties.put(ProducerConfig.RETRIES_CONFIG,5);
            //消息key的序列化器
            properties.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,"org.apache.kafka.common.serialization.StringSerializer");
            //消息value的序列化器
            properties.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,"org.apache.kafka.common.serialization.StringSerializer");

            //2.生产者对象
            KafkaProducer<String,String> producer = new KafkaProducer<String, String>(properties);

            //封装发送的消息
            ProducerRecord<String,String> record = new ProducerRecord<String, String>("itheima-topic","100001","hello kafka");

            //3.发送消息
            producer.send(record);

            //4.关闭消息通道，必须关闭，否则消息发送不成功
            producer.close();
        }

}
